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The Tulasne brothers documented fungal polymorphism, where a single species exhibits multiple spore forms (e.g., rust fungi).
Average of 20 numbers is 65. If the average of the first eight and last six numbers is 75.5 and 55.5 respectively, and if the twelfth number is 25% more...
Average of 20 numbers is 90. Average of first 8 numbers is 92 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numbe...
The average expenditure of a man for the first 5 month is Rs.4000 and for the next 7 months is Rs.6000. If he saves 10000 in that year then find his ave...
The average of 27 numbers is 25.The average of first 13 numbers is 16 and that of the last 13 numbers is 19. What will be the 27th number?
The average cost price of 18 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.74. ...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 50 and ratio of the 4th and the 5th number is 2:3. If difference between t...
Three natural numbers are given. If sum of average of any two numbers and the remaining third number is 56, 46 and 50 respectively, then find the sum o...
Average of four numbers is 25. Sum of smallest and largest number is 54. If difference between other two numbers is 2, then find the square of second sm...
The average weight of 4 persons is 56 kg. The heaviest person’s weight is 30 kg more than the lightest person’s weight. If the average weight of the...
The combined average weight of 8 copies and 5 books is 150 grams. If the average weight of the copies is 180 grams, find the average weight of the books.
